2720403800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{140227}}^1$

素因数の和:140340

約数の個数: 48

約数和(自身を含む): 6390189960

約数和(自身を除く): 3669786160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 19400, 140227, 280454, 560908, 701135, 1121816, 1402270, 2804540, 3505675, 5609080, 7011350, 13602019, 14022700, 27204038, 28045400, 54408076, 68010095, 108816152, 136020190, 272040380, 340050475, 544080760, 680100950, 1360201900, 2720403800]

約数ペア:

[(1, 2720403800), (2, 1360201900), (4, 680100950), (5, 544080760), (8, 340050475), (10, 272040380), (20, 136020190), (25, 108816152), (40, 68010095), (50, 54408076), (97, 28045400), (100, 27204038), (194, 14022700), (200, 13602019), (388, 7011350), (485, 5609080), (776, 3505675), (970, 2804540), (1940, 1402270), (2425, 1121816), (3880, 701135), (4850, 560908), (9700, 280454), (19400, 140227)]